GR FRT Drum Brake Series ® TRASCO Jaw Couplings 18 www.jbj.co.uk/couplings.html #DriveLineHarmony Keyway according to DIN 6885 sheet 1 - JS9 Size min-1 with W J FRT FRT Db x Bb V 2 max 28/38 38/45 42/55 48/60 55/70 65/75 75/90 90/100 100/110 110/125 125/145 (kg) kg m ) (mm) 30 m/s GR FRT - drum brake - Ct (mm) 160x60 30 31 - - - - - - - - - 2,12 0,01 3580 200x75 35 36 38 39 41 - - - - - - 3,45 0,03 2860 250x95 43 44 46 47 49 50 52 - - - - 6,87 0,08 2290 315x118 - - 55 56 58 59 61 64 - - - 14,95 0,28 1820 400x150 - - 68 69 71 72 74 77 79 82 - 31,20 0,89 1430 500x190 - - - - - 87 89 92 94 97 101 60,00 2,70 1150 630x236 - - - - - - 107 110 112 115 119 112,00 8,01 910 710x265 - - - - - - - - 123 126 130 161,00 14,90 810 800x300 - - - - - - - - - - 144 202,00 27,20 720 28/38 10 28 20 22 24 65 48 38 35 90 30 8 6,5 20 2,5 15 52 M6 38/45 12 38 28 32 34 80 66 50 45 114 38 8 7,5 24 3 18 66 M8 42/55 14 42 30 38 42 95 75 60 50 126 46 12 9,5 26 3 20 80 M8 48/60 15 48 35 45 48 105 85 68 56 140 51 12 10,5 28 3,5 21 90 M8 55/70 20 55 42 50 55 120 98 78 65 160 60 8 12,5 30 4 22 102 M10 65/75 22 65 48 55 65 135 115 92 75 185 68 12 13,5 35 4,5 26 116 M10 75/90 30 75 58 70 75 160 135 106 85 210 80 15 15,5 40 5 30 136 M12 90/100 40 90 75 90 100 200 160 140 100 245 100 15 18,5 45 5,5 34 172 M16 100/110 45 115 - 100 - 225 180 156 110 270 113 15 20,5 50 6 38 195 M16 110/125 55 125 - 110 - 255 200 176 120 295 127 15 23,5 55 6,5 42 218 M20 125/145 55 145 - 130 - 290 230 204 140 340 147 15 27,5 60 7 46 252 M20 Fb (GG25) Fb (GG400) Fb (Steel) Fa Fa; Fb max (mm) Size Fa; Fb min (mm) E A B H L G Nr V M S N D P j6 ØB ØA L a ØF b ØD S N S V H M P H Ct Nr ØD b ØF ØE ØG Bb FRT Ordering Code GRFRT GRFRT 48/60 GRFRT: brake side hub Size Hub The GR FRT series has been developed to suit drum brake (FRT) transmission according to DIN 15431/15435. It is considered an elastic coupling consisting of: » Standard hub (any of Trasco family) » Elastic spider » Special hub attached to brake drum. Components are either made of cast-iron (G25), spheroidal cast-iron (GS400), or steel according to application. Also, assembling of different dimensioned brake drum to any kind of coupling is allowed. See below tables. W : “GRFRT” weight (kg). FRT 2 J : “GRFRT” moment of inertia (kgm ). FRT Nr: Number of screws.
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